MC74AC74/74ACT74 是一款双 D 型触发器,带异步清除 和设置输入,以及互补 (Q, Q) 输出。输入处的信息 在时钟脉冲的正向边传输到输出。时钟触发发生在时钟脉冲的某个电压水平,与正向脉冲的传输时间不直接相关。超过时钟脉冲输入阈值电压后, 数据输入锁闭,存在的信息不会传输到输出, 直到时钟脉冲输入的下一个上升边。异步输入: SD(设置)的低电平输入会将 Q 设置为高电平,CD (清除)的低电平输入会将 Q 设置为低电平清除,设置与时钟无关,CD 和 SD 上的同时低电平会使得 Q 和 Q 均为高电平。
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MC74AC74DG
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MC74AC74DR2G
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MC74AC74DR2G-Q
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MC74AC74DTR2G
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Die Related Summary Data
Device: MC74AC74DG
Equivalent to wafer fab process: CMOS SUB
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平均故障间隔时间/平均无故障时间(按小时计算)
FITS
CMOS SUB
2
920154574
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Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)